Comparison

物語メーカー vs CastMemo

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

物語メーカー

Features
Read full description

「物語メーカー」は、ランダムな要素を組み合わせてストーリーのアイデアを生成するアプリです。 【ランダム生成】 主人公、舞台、時代、事件、キーアイテムなどの要素をランダムに組み合わせて、予想外のストーリーアイデアを生成します。 【ジャンル選択】 ファンタジー、ミステリー、SF、恋愛、ホラーなど、ジャンルを指定して生成可能。書きたいジャンルに合ったアイデアが見つかります。 【要素カスタマイズ】 一部の要素を固定して残りをランダム生成することも可能。「この主人公でどんな話が生まれるか」といった使い方ができます。 【アイデア保存】 気に入ったストーリーアイデアを保存。後から見返して創作の種にできます。 【プロット構成】 起承転結のテンプレートに沿ってプロットを整理。アイデアを物語として形にする手助けをします。 小説家、脚本家、漫画家、TRPGゲームマスターなど、物語を紡ぐすべてのクリエイターの創作パートナーです。

About

CastMemo

Features
Read full description

Ever come back to a story and think, “Wait… who was this person again?” CastMemo helps you keep track of characters and their relationships while enjoying books, manga, anime, movies, TV series, games, and more. Create a character list for each title, save the details you want to remember, and build visual relationship maps to see how everyone connects. KEEP CHARACTERS ORGANIZED Create characters for each title and save: • Names • Images • Traits and identifying details • Notes Whether you're reading a novel with a huge cast or returning to a TV series after a long break, CastMemo gives you a quick place to check who's who. SEE RELATIONSHIPS AT A GLANCE Add relationships between characters and turn them into a visual Relationship Map. Keep track of friends, family, rivals, enemies, allies, and more — or write your own relationship labels when you need something more specific. MADE FOR ALL KINDS OF STORIES Organize characters from: • Books and novels • Manga • Anime • Movies • TV series • Games • And more YOUR OWN CHARACTER REFERENCE CastMemo isn't a database that tells you who every character is. You create your own notes as you watch, read, and play, so you can save exactly the information that matters to you — without clutter you don't need. Great for: • Stories with large casts • Mystery novels • Long-running manga and anime • TV series you watch over time • Games with lots of characters • Returning to a story after a break Spend less time wondering “Who was that again?” and more time enjoying the story.

Screenshots

物語メーカー4 screens
CastMemo4 screens

Verdict

The call

The clearest difference is ads: 物語メーカー at none against CastMemo's shown. CastMemo's advantage is update cadence (every 3 days vs every 2 weeks) and iOS requirement (15.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

物語メーカー ships an update every 2 weeks, CastMemo every 3 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

Scorecard3 real differences · 3 level
物語メーカー versus CastMemo: the parameters behind the verdict, then further details
Parameter物語メーカーCastMemo
PriceFreeFree
Update frequencyEvery 2 weeksEvery 3 days — better
AdsNo — betterYes
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.015.0 — better
Further details — not scored
Size6 MB70 MB
Age rating4+4+
DeveloperSANWA Inc.Tsuji Yusuke

In-app purchases

None

物語メーカー

No in-app purchases

None

CastMemo

No in-app purchases

Questions

Is 物語メーカー free?
物語メーカー is free to download, with no in-app purchases.
Is CastMemo free?
CastMemo is free to download, with no in-app purchases.
Do 物語メーカー or CastMemo have ads?
CastMemo shows ads; 物語メーカー does not.
Which is updated more often, 物語メーカー or CastMemo?
物語メーカー ships an update every 2 weeks, and CastMemo every 3 days. Most recently, 物語メーカー was updated on October 25, 2026 and CastMemo on October 24, 2026.

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